<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>csflog博客主页</title>
</head>
<body>
<div id="header">

</div>
<div id="left">

</div>
<div id="content"></div>
<div id="right">

</div>
<div id="bottom"></div>
</body>
</html>